249+ iOS apps curated and reviewed
The best fish guide apps on iPhone average 4.5★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.7★ (140) | Yes | Yes | Sep 2026 | |
| 2 |  | Free | 4.2★ (14K) | No | Yes | Sep 2026 | |
| 3 |  | Free | 4.7★ (20K) | No | Yes | Sep 2026 | |
| 4 |  | Free | 4.7★ (73K) | Yes | Yes | Sep 2026 | |
| 5 |  | Free | 4.6★ (38K) | Yes | Yes | Sep 2026 | |
| 6 |  | Free | 5.0★ (6) | No | No | May 2026 | |
| 7 |  | Free | 4.8★ (39) | No | No | Sep 2026 | |
| 8 |  | Free | 4.8★ (14K) | No | Yes | Sep 2026 |
A comprehensive fish encyclopedia and fishing guide in 50 languages. Discover detailed information on 800 fish species, including their habitats, feeding habits, and optimal fishing conditions. Includes helpful tools like a fisherman's calendar and knot guides.
This app helps aquarium owners plan their tanks and avoid common mistakes. It checks fish compatibility and tank stocking levels, offering information on over 1000 fish species. You can save and share your aquarium setups.
This app serves as a mobile encyclopedia for tying fishing knots. It provides detailed, illustrated, step-by-step guides for various knots, including their properties, strength reduction, and recommended line types. The app works offline and categorizes knots for easy access.
